제출 #1035062

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1035062		irmuun	Radio Towers (IOI22_towers)	C++17	0 / 100	4064 ms	2256 KiB

towers

#include<bits/stdc++.h>
#include "towers.h"

using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

int n;
vector<pair<int,int>>h;
vector<bool>used;

void init(int N,vector<int>H){
    n=N;
    for(int i=0;i<n;i++){
        h.pb({H[i],i});
    }
    sort(all(h));
}
int max_towers(int L,int R,int D){
    used.resize(n,0);
    int ans=0;
    for(auto [x,i]:h){
        bool add=true;
        int mx=0;
        for(int j=i-1;j>=0;j--){
            if(used[j]){
                if(mx<x+D){
                    add=false;
                }
            }
        }
        mx=0;
        for(int j=i+1;j<n;j++){
            if(used[j]){
                if(mx<x+D){
                    add=false;
                }
            }
        }
        if(add){
            ans++;
            used[i]=true;
        }
    }
    return ans;
}

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